有些东西改变了,现在5800编译器错误来自预编译头

Dav*_*des 0 iphone xcode header-files

我显然在iPhone Xcode项目中改变了一些东西,现在当它预编译我正在获得的标题时

In file included from [...] /Foundation.framework/Headers/Foundation.h:8,
                 from [...] /UIKit.framework/Headers/UIAccelerometer.h:8,
                 from [...] /UIKit.framework/Headers/UIKit.h:9:
/Developer/Platforms/[...]/NSObjCRuntime.h:146: error: stray '@' in program
/Developer/Platforms/[...]/NSObjCRuntime.h:146: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'NSString'
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再多5800个错误......

我希望其他人最近这样做,并指出我正确的方向!